mlist.addMediaDescriptor(new MediaDescriptor(jvlc, mrl));
mlist.removeMedia(new MediaDescriptor(jvlc, mrl));
Assert.assertEquals(0, mlist.itemsCount());
mlist.addMediaDescriptor(new MediaDescriptor(jvlc, mrl));
mlist.removeMedia(new MediaDescriptor(jvlc, mrl));
Assert.assertEquals(0, mlist.itemsCount());